This Saturn SL sedan belongs to Jeff from Texas. Jeff's Saturn has a single TREO Engineering TS12.4 subwoofer in a custom bandpass enclosure with a viewing window. The subwoofer is powered by two bridged channels of a four-channel HiFonics amplifier. Jeff's single entry-level woofer is good for 137.3 dB on the dash and an Outlaw SPL of 143.1 dB!

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Jeff's Saturn SL with Custom Wheels	One TREO TS12 behind the cool viewing window
HiFonics Four-Channel Amplifier in Jeff's trunk with custom trim panels

Jeff's Saturn has custom wheels and a cool sound system installed by the cool guys at Expert Car Audio in Grand Prairie, Texas.